This is a deep-cycle lead-acid tubular battery commonly used for inverter backup systems and solar installations in Nigeria.
*Key specs:*
- *Capacity*: 220Ah
- *Voltage*: 12V nominal
- *Energy*: 2.64kWh (220Ah × 12V = 2,640Wh)
- *Technology*: Tubular plate design - more robust and longer-lasting than flat-plate batteries
- *Cycle life*: 800-1200 cycles at 50% depth of discharge
- *Maintenance*: Low maintenance but requires periodic water top-up, unlike sealed lithium
- *Warranty*: Usually 12-18 months from most sellers
- *Weight*: ∼60-65kg - very heavy compared to lithium
*Used for:*
Home/office inverter backup systems, small solar installations, telecom base stations.